/*
 * Copyright 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.camera.viewfinder.core.impl

import android.view.Surface
import androidx.camera.viewfinder.core.ViewfinderSurfaceRequest
import androidx.camera.viewfinder.core.ViewfinderSurfaceSession
import kotlinx.atomicfu.atomic

class ViewfinderSurfaceSessionImpl(
    override val surface: Surface,
    override val request: ViewfinderSurfaceRequest,
    private val onClose: () -> Unit,
) : ViewfinderSurfaceSession {

    private val closed = atomic(false)
    private val closeGuard = CloseGuardHelper.create().apply { open(closeMethodName = "close") }

    override fun close() {
        closeGuard.close()
        if (!closed.getAndSet(true)) {
            onClose()
        }
    }

    protected fun finalize() {
        closeGuard.warnIfOpen()
        close()
    }
}
